8429225 has 24 divisors (see below), whose sum is σ = 12201600. Its totient is φ = 5774160.

The previous prime is 8429209. The next prime is 8429233. The reversal of 8429225 is 5229248.

It is not a de Polignac number, because 8429225 - 2⁴ = 8429209 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8429191 and 8429200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8084 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (508400).

Almost surely, 2^8429225 is an apocalyptic number.

It is an amenable number.

8429225 is a deficient number, since it is larger than the sum of its proper divisors (3772375).

8429225 is an equidigital number, since it uses as much as digits as its factorization.

8429225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 995 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 8429225 is about 2903.3127630347. The cubic root of 8429225 is about 203.5147459769.

The spelling of 8429225 in words is "eight million, four hundred twenty-nine thousand, two hundred twenty-five".